Abstract
<p class="Abstract">The actual problem of the human exposure to different types of electromagnetic field sources is a challenging one and should be considered an up to date issue due to one major actual trend: the increasingly intensive penetration of various wireless communication technologies in virtually all places and times that make up our daily lives. The here presented paper presents an experimental study focused on measurements for three types of mobile phones, belonging to different generations, operating at the two characteristic frequencies of the GSM bandwidth. We have been used a SATIMO-COMOSAR evaluation dosimetry system, provided by the LICETER laboratory of ANCOM Romania. The determined values of the absorbed incident energy by the tissue of a mannequin (phantom) model for the human head, which is part of the dosimetry system, have been also compared with those obtained in the case when the mobile phones are protected by multilayer cases, aiming to study their possible limiting effect. The influence that ”touch” or ”tilt” positions might have on absorbed (by the human head model) incident energy values has also been investigated. The comparative processing of the obtained results allowed the formulation of recommendations on reducing the exposure to electromagnetic radiation associated with the use of the mobile phone. This paper is an extended and improved version of the original contribution to the IMEKO TC 4 2020 virtual conference.</p>
Highlights
The possible effects of ambient electromagnetic fields on human beings are general sources of concern and legitimate questions
Operating procedure used during these measurements: a GSM communication has been established between the mobile phone under test and the base station simulator CMU200 for measuring the specific absorption rate (SAR)
This paper present a set of SAR measurements performed for three, different generations, mobile phone devices: HUAWEI P20 Pro, SAMSUNG GT-S6102 and NOKIA 2330c-2, respectively
Summary
The possible effects of ambient electromagnetic fields on human beings are general sources of concern and legitimate questions For this reason, scientific research in the field has been strongly supported by diverse bodies and organizations, national and international, being materialized through the adoption of recommendations, setting limits and developing guidelines. Scientific research in the field has been strongly supported by diverse bodies and organizations, national and international, being materialized through the adoption of recommendations, setting limits and developing guidelines This multitude and diversity provided results which, fundamentally convergent in nature, were quite different in form. For the first part, based on extremely in-depth interdisciplinary research, most countries around the world have given a positive response to the rational scientific underpinning the ICNIRP limits These reference levels have been assumed by the International Telecommunication Union
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